C22121333132313311211113313331333132233131133133313113313231323233212321   >>    C2212133313231331121111331333133313223313113313331311331323132323321232   <<    C22121333132313311211113313331333132233131133133313113313231323233212323   >>      C22121333132313311211113313331333132233131133133313113313231323233212322   >>